MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa
SHA3-384 hash: 23e298668d2c51c6cc39edf5412e1d7657cb58fba157f87dcc54ff79892ee693b1c7208efdd0092efb0ebb2ef28b2262
SHA1 hash: 7faa824511318e735d4eab08e28cd0679b385728
MD5 hash: 5a6549a952f9938ec2fcf629ac26d794
humanhash: fix-idaho-maryland-spaghetti
File name:doc01210250121.js
Download: download sample
Signature Formbook
Create hunting rule
File size:2'242 bytes
First seen:2025-01-21 15:43:29 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:4dWt0xdxQ/Mjj1JWgNOYZDycnhNJtjzj7Diz:gi0x7Q4ZYgNn+mDiz
Threatray 2 similar samples on MalwareBazaar
TLSH T18F411E6F9E4AE332023A2B0A851ED405EB4B41679600C211FC9CC988BF345A8CDF5BCF
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
578
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678fc194e708b6e7a3aebb6e
Tags:
autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive
Link:
https://www.filescan.io/uploads/678fc0c95e62e1595e716af7/reports/0b04e365-9faf-4b2e-9c73-4d085822ebab/overview
Verdict:
Suspicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1596085
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Powershell drops PE file
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1596085 Sample: doc01210250121.js Startdate: 21/01/2025 Architecture: WINDOWS Score: 100 58 www.serenepath.life 2->58 60 www.atc-secure.com 2->60 62 6 other IPs or domains 2->62 76 Suricata IDS alerts for network traffic 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 5 other signatures 2->82 13 wscript.exe 1 16 2->13         started        18 explorer.exe 2->18         started        20 explorer.exe 2->20         started        22 3 other processes 2->22 signatures3 process4 dnsIp5 72 atc-secure.com 92.205.22.61, 443, 49709 GD-EMEA-DC-SXB1DE Germany 13->72 56 C:\Temp\dddddd.ps1, ASCII 13->56 dropped 116 System process connects to network (likely due to code injection or exploit) 13->116 118 JScript performs obfuscated calls to suspicious functions 13->118 120 Wscript starts Powershell (via cmd or directly) 13->120 124 2 other signatures 13->124 24 powershell.exe 13 13->24         started        122 Query firmware table information (likely to detect VMs) 18->122 28 WerFault.exe 20->28         started        74 127.0.0.1 unknown unknown 22->74 file6 signatures7 process8 file9 54 C:\Users\user\AppData\Local\Temp\x.exe, PE32 24->54 dropped 90 Binary is likely a compiled AutoIt script file 24->90 92 Found suspicious powershell code related to unpacking or dynamic code loading 24->92 94 Powershell drops PE file 24->94 30 x.exe 2 24->30         started        33 conhost.exe 24->33         started        signatures10 process11 signatures12 108 Binary is likely a compiled AutoIt script file 30->108 110 Machine Learning detection for dropped file 30->110 112 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->112 114 3 other signatures 30->114 35 svchost.exe 30->35         started        process13 signatures14 84 Maps a DLL or memory area into another process 35->84 38 RtnhRy01.exe 35->38 injected process15 signatures16 86 Maps a DLL or memory area into another process 38->86 88 Found direct / indirect Syscall (likely to bypass EDR) 38->88 41 sxstrace.exe 13 38->41         started        process17 signatures18 96 Tries to steal Mail credentials (via file / registry access) 41->96 98 Tries to harvest and steal browser information (history, passwords, etc) 41->98 100 Modifies the context of a thread in another process (thread injection) 41->100 102 3 other signatures 41->102 44 RtnhRy01.exe 41->44 injected 48 explorer.exe 4 133 41->48         started        50 firefox.exe 41->50         started        process19 dnsIp20 64 www.serenepath.life 67.223.117.189, 49987, 49988, 49989 VIMRO-AS15189US United States 44->64 66 www.dkeqqi.info 47.83.1.90, 49983, 49984, 49985 VODANETInternationalIP-BackboneofVodafoneDE United States 44->66 68 www.jackys.shop 217.160.0.207, 49980, 80 ONEANDONE-ASBrauerstrasse48DE Germany 44->68 104 Found direct / indirect Syscall (likely to bypass EDR) 44->104 70 a-0003.a-msedge.net 204.79.197.203, 443, 49994, 49997 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 48->70 106 Query firmware table information (likely to detect VMs) 48->106 52 WerFault.exe 48->52         started        signatures21 process22
Score:
0%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sa3ff4svuxrv2kfnsidtzuqis6isbjklplki56qezsr2ie7vkova._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
58e26b83984e7c8783d568a918c5aa3c9f4e7d42210f1731e7dface4a8694498
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250121-s6gcks1phk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/903652f255a5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/903652f255a5e35d28ad92073cd208979120a54b7ad48efa04cca3a413f553aa

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments